6557154558423 has 8 divisors (see below), whose sum is σ = 9991854565248. Its totient is φ = 3746945461944.

The previous prime is 6557154558379. The next prime is 6557154558469. The reversal of 6557154558423 is 3248554517556.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6557154558423 - 2¹⁸ = 6557154296279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6557154558023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156122727561 + ... + 156122727602.

It is an arithmetic number, because the mean of its divisors is an integer number (1248981820656).

Almost surely, 2^{6557154558423} is an apocalyptic number.

6557154558423 is a deficient number, since it is larger than the sum of its proper divisors (3434700006825).

6557154558423 is a wasteful number, since it uses less digits than its factorization.

6557154558423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312245455173.

The product of its digits is 100800000, while the sum is 60.

The spelling of 6557154558423 in words is "six trillion, five hundred fifty-seven billion, one hundred fifty-four million, five hundred fifty-eight thousand, four hundred twenty-three".